diff --git a/targets/TARGET_STM/TARGET_STM32L0/CMakeLists.txt b/targets/TARGET_STM/TARGET_STM32L0/CMakeLists.txt index a9a2a6c..454b81c 100644 --- a/targets/TARGET_STM/TARGET_STM32L0/CMakeLists.txt +++ b/targets/TARGET_STM/TARGET_STM32L0/CMakeLists.txt @@ -2,6 +2,7 @@ # SPDX-License-Identifier: Apache-2.0 add_subdirectory(TARGET_STM32L053x8 EXCLUDE_FROM_ALL) +add_subdirectory(TARGET_STM32L071xB EXCLUDE_FROM_ALL) add_subdirectory(TARGET_STM32L071xZ EXCLUDE_FROM_ALL) add_subdirectory(TARGET_STM32L072xZ EXCLUDE_FROM_ALL) add_subdirectory(TARGET_STM32L073xZ EXCLUDE_FROM_ALL) diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/CMakeLists.txt b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/CMakeLists.txt new file mode 100644 index 0000000..7992724 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/CMakeLists.txt @@ -0,0 +1,26 @@ +# Copyright (c) 2020 ARM Limited. All rights reserved. +# SPDX-License-Identifier: Apache-2.0 + +if(${MBED_TOOLCHAIN} STREQUAL "GCC_ARM") + set(STARTUP_FILE TOOLCHAIN_GCC_ARM/startup_stm32l071xx.S) + set(LINKER_FILE TOOLCHAIN_GCC_ARM/stm32l071xb.ld) +elseif(${MBED_TOOLCHAIN} STREQUAL "ARM") + set(STARTUP_FILE TOOLCHAIN_ARM/startup_stm32l071xx.S) + set(LINKER_FILE TOOLCHAIN_ARM/stm32l071xb.sct) +endif() + +add_library(mbed-stm32l071xb INTERFACE) + +target_include_directories(mbed-stm32l071xb + INTERFACE + . +) + +target_sources(mbed-stm32l071xb + INTERFACE + ${STARTUP_FILE} +) + +mbed_set_linker_script(mbed-stm32l071xb ${CMAKE_CURRENT_SOURCE_DIR}/${LINKER_FILE}) + +target_link_libraries(mbed-stm32l071xb INTERFACE mbed-stm32l0) diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_ARM/startup_stm32l071xx.S b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_ARM/startup_stm32l071xx.S new file mode 100644 index 0000000..55024f3 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_ARM/startup_stm32l071xx.S @@ -0,0 +1,201 @@ +;****************************************************************************** +;* File Name : startup_stm32l071xx.s +;* Author : MCD Application Team +;* Description : STM32l071xx Devices vector table for MDK-ARM toolchain. +;* This module performs: +;* - Set the initial SP +;* - Set the initial PC == Reset_Handler +;* - Set the vector table entries with the exceptions ISR address +;* - Branches to __main in the C library (which eventually +;* calls main()). +;* After Reset the Cortex-M0+ processor is in Thread mode, +;* priority is Privileged, and the Stack is set to Main. +;****************************************************************************** +;* @attention +;* +;* Copyright (c) 2016 STMicroelectronics. +;* All rights reserved. +;* +;* This software component is licensed by ST under BSD 3-Clause license, +;* the "License"; You may not use this file except in compliance with the +;* License. You may obtain a copy of the License at: +;* opensource.org/licenses/BSD-3-Clause +;* +;****************************************************************************** + + PRESERVE8 + THUMB + + +; Vector Table Mapped to Address 0 at Reset + AREA RESET, DATA, READONLY + EXPORT __Vectors + EXPORT __Vectors_End + EXPORT __Vectors_Size + + IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit| +__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WWDG_IRQHandler ; Window Watchdog + DCD PVD_IRQHandler ; PVD through EXTI Line detect + DCD RTC_IRQHandler ; RTC through EXTI Line + DCD FLASH_IRQHandler ; FLASH + DCD RCC_IRQHandler ; RCC + DCD EXTI0_1_IRQHandler ; EXTI Line 0 and 1 + DCD EXTI2_3_IRQHandler ; EXTI Line 2 and 3 + DCD EXTI4_15_IRQHandler ; EXTI Line 4 to 15 + DCD 0 ; Reserved + DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 + DCD DMA1_Channel2_3_IRQHandler ; DMA1 Channel 2 and Channel 3 + DCD DMA1_Channel4_5_6_7_IRQHandler ; DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 + DCD ADC1_COMP_IRQHandler ; ADC1, COMP1 and COMP2 + DCD LPTIM1_IRQHandler ; LPTIM1 + DCD USART4_5_IRQHandler ; USART4 and USART5 + DCD TIM2_IRQHandler ; TIM2 + DCD TIM3_IRQHandler ; TIM3 + DCD TIM6_IRQHandler ; TIM6 + DCD TIM7_IRQHandler ; TIM7 + DCD 0 ; Reserved + DCD TIM21_IRQHandler ; TIM21 + DCD I2C3_IRQHandler ; I2C3 + DCD TIM22_IRQHandler ; TIM22 + DCD I2C1_IRQHandler ; I2C1 + DCD I2C2_IRQHandler ; I2C2 + DCD SPI1_IRQHandler ; SPI1 + DCD SPI2_IRQHandler ; SPI2 + DCD USART1_IRQHandler ; USART1 + DCD USART2_IRQHandler ; USART2 + DCD LPUART1_IRQHandler ; LPUART1 + DCD 0 ; Reserved + DCD 0 ; Reserved + +__Vectors_End + +__Vectors_Size EQU __Vectors_End - __Vectors + + AREA |.text|, CODE, READONLY + +; Reset handler routine +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT __main + IMPORT SystemInit + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + +; Dummy Exception Handlers (infinite loops which can be modified) + +NMI_Handler PROC + EXPORT NMI_Handler [WEAK] + B . + ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP + +Default_Handler PROC + + EXPORT WWDG_IRQHandler [WEAK] + EXPORT PVD_IRQHandler [WEAK] + EXPORT RTC_IRQHandler [WEAK] + EXPORT FLASH_IRQHandler [WEAK] + EXPORT RCC_IRQHandler [WEAK] + EXPORT EXTI0_1_IRQHandler [WEAK] + EXPORT EXTI2_3_IRQHandler [WEAK] + EXPORT EXTI4_15_IRQHandler [WEAK] + EXPORT DMA1_Channel1_IRQHandler [WEAK] + EXPORT DMA1_Channel2_3_IRQHandler [WEAK] + EXPORT DMA1_Channel4_5_6_7_IRQHandler [WEAK] + EXPORT ADC1_COMP_IRQHandler [WEAK] + EXPORT LPTIM1_IRQHandler [WEAK] + EXPORT USART4_5_IRQHandler [WEAK] + EXPORT TIM2_IRQHandler [WEAK] + EXPORT TIM3_IRQHandler [WEAK] + EXPORT TIM6_IRQHandler [WEAK] + EXPORT TIM7_IRQHandler [WEAK] + EXPORT TIM21_IRQHandler [WEAK] + EXPORT TIM22_IRQHandler [WEAK] + EXPORT I2C1_IRQHandler [WEAK] + EXPORT I2C2_IRQHandler [WEAK] + EXPORT I2C3_IRQHandler [WEAK] + EXPORT SPI1_IRQHandler [WEAK] + EXPORT SPI2_IRQHandler [WEAK] + EXPORT USART1_IRQHandler [WEAK] + EXPORT USART2_IRQHandler [WEAK] + EXPORT LPUART1_IRQHandler [WEAK] + +WWDG_IRQHandler +PVD_IRQHandler +RTC_IRQHandler +FLASH_IRQHandler +RCC_IRQHandler +EXTI0_1_IRQHandler +EXTI2_3_IRQHandler +EXTI4_15_IRQHandler +DMA1_Channel1_IRQHandler +DMA1_Channel2_3_IRQHandler +DMA1_Channel4_5_6_7_IRQHandler +ADC1_COMP_IRQHandler +LPTIM1_IRQHandler +USART4_5_IRQHandler +TIM2_IRQHandler +TIM3_IRQHandler +TIM6_IRQHandler +TIM7_IRQHandler +TIM21_IRQHandler +TIM22_IRQHandler +I2C1_IRQHandler +I2C2_IRQHandler +I2C3_IRQHandler +SPI1_IRQHandler +SPI2_IRQHandler +USART1_IRQHandler +USART2_IRQHandler +LPUART1_IRQHandler + + B . + + ENDP + + ALIGN + +;******************************************************************************* +; User Stack and Heap initialization +;******************************************************************************* + + END + +;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_ARM/stm32l071xb.sct b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_ARM/stm32l071xb.sct new file mode 100644 index 0000000..cf04d70 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_ARM/stm32l071xb.sct @@ -0,0 +1,57 @@ +#! armclang -E --target=arm-arm-none-eabi -x c -mcpu=cortex-m0 +; Scatter-Loading Description File +; +; SPDX-License-Identifier: BSD-3-Clause +;****************************************************************************** +;* @attention +;* +;* Copyright (c) 2016-2020 STMicroelectronics. +;* All rights reserved. +;* +;* This software component is licensed by ST under BSD 3-Clause license, +;* the "License"; You may not use this file except in compliance with the +;* License. You may obtain a copy of the License at: +;* opensource.org/licenses/BSD-3-Clause +;* +;****************************************************************************** + +#include "../cmsis_nvic.h" + +#if !defined(MBED_APP_START) + #define MBED_APP_START MBED_ROM_START +#endif + +#if !defined(MBED_APP_SIZE) + #define MBED_APP_SIZE MBED_ROM_SIZE +#endif + +#if !defined(MBED_CONF_TARGET_BOOT_STACK_SIZE) +/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */ +#if defined(MBED_BOOT_STACK_SIZE) +#define MBED_CONF_TARGET_BOOT_STACK_SIZE MBED_BOOT_STACK_SIZE +#else +#define MBED_CONF_TARGET_BOOT_STACK_SIZE 0x400 +#endif +#endif + +/* Round up VECTORS_SIZE to 8 bytes */ +#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7) + +LR_IROM1 MBED_APP_START MBED_APP_SIZE { + + ER_IROM1 MBED_APP_START MBED_APP_SIZE { + *.o (RESET, +First) + *(InRoot$$Sections) + .ANY (+RO) + } + + RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data + .ANY (+RW +ZI) + } + + ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_CONF_TARGET_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up + } + + ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_CONF_TARGET_BOOT_STACK_SIZE { ; Stack region growing down + } +} diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_GCC_ARM/startup_stm32l071xx.S b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_GCC_ARM/startup_stm32l071xx.S new file mode 100644 index 0000000..81c13e4 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_GCC_ARM/startup_stm32l071xx.S @@ -0,0 +1,282 @@ +/** + ****************************************************************************** + * @file startup_stm32l071xx.s + * @author MCD Application Team + * @brief STM32L071xx Devices vector table for GCC toolchain. + * This module performs: + * - Set the initial SP + * - Set the initial PC == Reset_Handler, + * - Set the vector table entries with the exceptions ISR address + * - Branches to main in the C library (which eventually + * calls main()). + * After Reset the Cortex-M0+ processor is in Thread mode, + * priority is Privileged, and the Stack is set to Main. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2016 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + + .syntax unified + .cpu cortex-m0plus + .fpu softvfp + .thumb + +.global g_pfnVectors +.global Default_Handler + +/* start address for the initialization values of the .data section. +defined in linker script */ +.word _sidata +/* start address for the .data section. defined in linker script */ +.word _sdata +/* end address for the .data section. defined in linker script */ +.word _edata +/* start address for the .bss section. defined in linker script */ +.word _sbss +/* end address for the .bss section. defined in linker script */ +.word _ebss + + .section .text.Reset_Handler + .weak Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + ldr r0, =_estack + mov sp, r0 /* set stack pointer */ + +/* Copy the data segment initializers from flash to SRAM */ + ldr r0, =_sdata + ldr r1, =_edata + ldr r2, =_sidata + movs r3, #0 + b LoopCopyDataInit + +CopyDataInit: + ldr r4, [r2, r3] + str r4, [r0, r3] + adds r3, r3, #4 + +LoopCopyDataInit: + adds r4, r0, r3 + cmp r4, r1 + bcc CopyDataInit + +/* Zero fill the bss segment. */ + ldr r2, =_sbss + ldr r4, =_ebss + movs r3, #0 + b LoopFillZerobss + +FillZerobss: + str r3, [r2] + adds r2, r2, #4 + +LoopFillZerobss: + cmp r2, r4 + bcc FillZerobss + +/* Call the clock system intitialization function.*/ + bl SystemInit + bl _start + bx lr + +LoopForever: + b LoopForever + + +.size Reset_Handler, .-Reset_Handler + +/** + * @brief This is the code that gets called when the processor receives an + * unexpected interrupt. This simply enters an infinite loop, preserving + * the system state for examination by a debugger. + * + * @param None + * @retval : None +*/ + .section .text.Default_Handler,"ax",%progbits +Default_Handler: +Infinite_Loop: + b Infinite_Loop + .size Default_Handler, .-Default_Handler +/****************************************************************************** +* +* The minimal vector table for a Cortex M0. Note that the proper constructs +* must be placed on this to ensure that it ends up at physical address +* 0x0000.0000. +* +******************************************************************************/ + .section .isr_vector,"a",%progbits + .type g_pfnVectors, %object + .size g_pfnVectors, .-g_pfnVectors + + +g_pfnVectors: + .word _estack + .word Reset_Handler + .word NMI_Handler + .word HardFault_Handler + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word SVC_Handler + .word 0 + .word 0 + .word PendSV_Handler + .word SysTick_Handler + .word WWDG_IRQHandler /* Window WatchDog */ + .word PVD_IRQHandler /* PVD through EXTI Line detection */ + .word RTC_IRQHandler /* RTC through the EXTI line */ + .word FLASH_IRQHandler /* FLASH */ + .word RCC_IRQHandler /* RCC */ + .word EXTI0_1_IRQHandler /* EXTI Line 0 and 1 */ + .word EXTI2_3_IRQHandler /* EXTI Line 2 and 3 */ + .word EXTI4_15_IRQHandler /* EXTI Line 4 to 15 */ + .word 0 /* Reserved */ + .word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */ + .word DMA1_Channel2_3_IRQHandler /* DMA1 Channel 2 and Channel 3 */ + .word DMA1_Channel4_5_6_7_IRQHandler /* DMA1 Channel 4, Channel 5, Channel 6 and Channel 7*/ + .word ADC1_COMP_IRQHandler /* ADC1, COMP1 and COMP2 */ + .word LPTIM1_IRQHandler /* LPTIM1 */ + .word USART4_5_IRQHandler /* USART4 and USART 5 */ + .word TIM2_IRQHandler /* TIM2 */ + .word TIM3_IRQHandler /* TIM3 */ + .word TIM6_IRQHandler /* TIM6 and DAC */ + .word TIM7_IRQHandler /* TIM7 */ + .word 0 /* Reserved */ + .word TIM21_IRQHandler /* TIM21 */ + .word I2C3_IRQHandler /* I2C3 */ + .word TIM22_IRQHandler /* TIM22 */ + .word I2C1_IRQHandler /* I2C1 */ + .word I2C2_IRQHandler /* I2C2 */ + .word SPI1_IRQHandler /* SPI1 */ + .word SPI2_IRQHandler /* SPI2 */ + .word USART1_IRQHandler /* USART1 */ + .word USART2_IRQHandler /* USART2 */ + .word LPUART1_IRQHandler /* LPUART1 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + +/******************************************************************************* +* +* Provide weak aliases for each Exception handler to the Default_Handler. +* As they are weak aliases, any function with the same name will override +* this definition. +* +*******************************************************************************/ + + .weak NMI_Handler + .thumb_set NMI_Handler,Default_Handler + + .weak HardFault_Handler + .thumb_set HardFault_Handler,Default_Handler + + .weak SVC_Handler + .thumb_set SVC_Handler,Default_Handler + + .weak PendSV_Handler + .thumb_set PendSV_Handler,Default_Handler + + .weak SysTick_Handler + .thumb_set SysTick_Handler,Default_Handler + + .weak WWDG_IRQHandler + .thumb_set WWDG_IRQHandler,Default_Handler + + .weak PVD_IRQHandler + .thumb_set PVD_IRQHandler,Default_Handler + + .weak RTC_IRQHandler + .thumb_set RTC_IRQHandler,Default_Handler + + .weak FLASH_IRQHandler + .thumb_set FLASH_IRQHandler,Default_Handler + + .weak RCC_IRQHandler + .thumb_set RCC_IRQHandler,Default_Handler + + .weak EXTI0_1_IRQHandler + .thumb_set EXTI0_1_IRQHandler,Default_Handler + + .weak EXTI2_3_IRQHandler + .thumb_set EXTI2_3_IRQHandler,Default_Handler + + .weak EXTI4_15_IRQHandler + .thumb_set EXTI4_15_IRQHandler,Default_Handler + + .weak DMA1_Channel1_IRQHandler + .thumb_set DMA1_Channel1_IRQHandler,Default_Handler + + .weak DMA1_Channel2_3_IRQHandler + .thumb_set DMA1_Channel2_3_IRQHandler,Default_Handler + + .weak DMA1_Channel4_5_6_7_IRQHandler + .thumb_set DMA1_Channel4_5_6_7_IRQHandler,Default_Handler + + .weak ADC1_COMP_IRQHandler + .thumb_set ADC1_COMP_IRQHandler,Default_Handler + + .weak LPTIM1_IRQHandler + .thumb_set LPTIM1_IRQHandler,Default_Handler + + .weak USART4_5_IRQHandler + .thumb_set USART4_5_IRQHandler,Default_Handler + + .weak TIM2_IRQHandler + .thumb_set TIM2_IRQHandler,Default_Handler + + .weak TIM3_IRQHandler + .thumb_set TIM3_IRQHandler,Default_Handler + + .weak TIM6_IRQHandler + .thumb_set TIM6_IRQHandler,Default_Handler + + .weak TIM7_IRQHandler + .thumb_set TIM7_IRQHandler,Default_Handler + + .weak TIM21_IRQHandler + .thumb_set TIM21_IRQHandler,Default_Handler + + .weak I2C3_IRQHandler + .thumb_set I2C3_IRQHandler,Default_Handler + + .weak TIM22_IRQHandler + .thumb_set TIM22_IRQHandler,Default_Handler + + .weak I2C1_IRQHandler + .thumb_set I2C1_IRQHandler,Default_Handler + + .weak I2C2_IRQHandler + .thumb_set I2C2_IRQHandler,Default_Handler + + .weak SPI1_IRQHandler + .thumb_set SPI1_IRQHandler,Default_Handler + + .weak SPI2_IRQHandler + .thumb_set SPI2_IRQHandler,Default_Handler + + .weak USART1_IRQHandler + .thumb_set USART1_IRQHandler,Default_Handler + + .weak USART2_IRQHandler + .thumb_set USART2_IRQHandler,Default_Handler + + .weak LPUART1_IRQHandler + .thumb_set LPUART1_IRQHandler,Default_Handler + + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_GCC_ARM/stm32l071xb.ld b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_GCC_ARM/stm32l071xb.ld new file mode 100644 index 0000000..5f47993 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_GCC_ARM/stm32l071xb.ld @@ -0,0 +1,203 @@ +/* Linker script to configure memory regions. */ +/* + * SPDX-License-Identifier: BSD-3-Clause + ****************************************************************************** + * @attention + * + * Copyright (c) 2016-2020 STMicroelectronics. + * All rights reserved. + * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** +*/ + +#include "../cmsis_nvic.h" + + +#if !defined(MBED_APP_START) + #define MBED_APP_START MBED_ROM_START +#endif + +#if !defined(MBED_APP_SIZE) + #define MBED_APP_SIZE MBED_ROM_SIZE +#endif + +#if !defined(MBED_CONF_TARGET_BOOT_STACK_SIZE) + /* This value is normally defined by the tools + to 0x1000 for bare metal and 0x400 for RTOS */ + #define MBED_CONF_TARGET_BOOT_STACK_SIZE 0x400 +#endif + +/* Round up VECTORS_SIZE to 8 bytes */ +#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8) + +MEMORY +{ + FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE + RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * _estack + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + __etext = .; + _sidata = .; + + .data : AT (__etext) + { + __data_start__ = .; + _sdata = .; + *(vtable) + *(.data*) + + . = ALIGN(8); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(8); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + . = ALIGN(8); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(8); + /* All data end */ + __data_end__ = .; + _edata = .; + + } > RAM + + /* Uninitialized data section + * This region is not initialized by the C/C++ library and can be used to + * store state across soft reboots. */ + .uninitialized (NOLOAD): + { + . = ALIGN(32); + __uninitialized_start = .; + *(.uninitialized) + KEEP(*(.keep.uninitialized)) + . = ALIGN(32); + __uninitialized_end = .; + } > RAM + + .bss : + { + . = ALIGN(8); + __bss_start__ = .; + _sbss = .; + *(.bss*) + *(COMMON) + . = ALIGN(8); + __bss_end__ = .; + _ebss = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + PROVIDE(end = .); + *(.heap*) + . = ORIGIN(RAM) + LENGTH(RAM) - MBED_CONF_TARGET_BOOT_STACK_SIZE; + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + _estack = __StackTop; + __StackLimit = __StackTop - MBED_CONF_TARGET_BOOT_STACK_SIZE; + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_IAR/startup_stm32l071xx.S b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_IAR/startup_stm32l071xx.S new file mode 100644 index 0000000..1372dd1 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_IAR/startup_stm32l071xx.S @@ -0,0 +1,316 @@ +;******************************************************************************* +;* File Name : startup_stm32l071xx.s +;* Author : MCD Application Team +;* Description : STM32L071xx Ultra Low Power Devices vector +;* This module performs: +;* - Set the initial SP +;* - Set the initial PC == _iar_program_start, +;* - Set the vector table entries with the exceptions ISR +;* address. +;* - Configure the system clock +;* - Branches to main in the C library (which eventually +;* calls main()). +;* After Reset the Cortex-M0+ processor is in Thread mode, +;* priority is Privileged, and the Stack is set to Main. +;******************************************************************************* +;* @attention +;* +;*

© Copyright (c) 2016 STMicroelectronics. +;* All rights reserved.

+;* +;* This software component is licensed by ST under BSD 3-Clause license, +;* the "License"; You may not use this file except in compliance with the +;* License. You may obtain a copy of the License at: +;* opensource.org/licenses/BSD-3-Clause +;* +;******************************************************************************* +; +; +; The modules in this file are included in the libraries, and may be replaced +; by any user-defined modules that define the PUBLIC symbol _program_start or +; a user defined start symbol. +; To override the cstartup defined in the library, simply add your modified +; version to the workbench project. +; +; The vector table is normally located at address 0. +; When debugging in RAM, it can be located in RAM, aligned to at least 2^6. +; The name "__vector_table" has special meaning for C-SPY: +; it is where the SP start value is found, and the NVIC vector +; table register (VTOR) is initialized to this address if != 0. +; +; Cortex-M version +; + + MODULE ?cstartup + + ;; Forward declaration of sections. + SECTION CSTACK:DATA:NOROOT(3) + + SECTION .intvec:CODE:NOROOT(2) + + EXTERN __iar_program_start + EXTERN SystemInit + PUBLIC __vector_table + + DATA +__vector_table + DCD sfe(CSTACK) + DCD Reset_Handler ; Reset Handler + + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WWDG_IRQHandler ; Window Watchdog + DCD PVD_IRQHandler ; PVD through EXTI Line detect + DCD RTC_IRQHandler ; RTC through EXTI Line + DCD FLASH_IRQHandler ; FLASH + DCD RCC_IRQHandler ; RCC + DCD EXTI0_1_IRQHandler ; EXTI Line 0 and 1 + DCD EXTI2_3_IRQHandler ; EXTI Line 2 and 3 + DCD EXTI4_15_IRQHandler ; EXTI Line 4 to 15 + DCD 0 ; Reserved + DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 + DCD DMA1_Channel2_3_IRQHandler ; DMA1 Channel 2 and Channel 3 + DCD DMA1_Channel4_5_6_7_IRQHandler ; DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 + DCD ADC1_COMP_IRQHandler ; ADC1, COMP1 and COMP2 + DCD LPTIM1_IRQHandler ; LPTIM1 + DCD USART4_5_IRQHandler ; USART4 and USART5 + DCD TIM2_IRQHandler ; TIM2 + DCD TIM3_IRQHandler ; TIM3 + DCD TIM6_IRQHandler ; TIM6 + DCD TIM7_IRQHandler ; TIM7 + DCD 0 ; Reserved + DCD TIM21_IRQHandler ; TIM21 + DCD I2C3_IRQHandler ; I2C3 + DCD TIM22_IRQHandler ; TIM22 + DCD I2C1_IRQHandler ; I2C1 + DCD I2C2_IRQHandler ; I2C2 + DCD SPI1_IRQHandler ; SPI1 + DCD SPI2_IRQHandler ; SPI2 + DCD USART1_IRQHandler ; USART1 + DCD USART2_IRQHandler ; USART2 + DCD LPUART1_IRQHandler ; LPUART1 + DCD 0 ; Reserved + DCD 0 ; Reserved + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; +;; Default interrupt handlers. +;; + THUMB + PUBWEAK Reset_Handler + SECTION .text:CODE:NOROOT:REORDER(2) +Reset_Handler + LDR R0, =SystemInit + BLX R0 + LDR R0, =__iar_program_start + BX R0 + + PUBWEAK NMI_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +NMI_Handler + B NMI_Handler + + + PUBWEAK HardFault_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +HardFault_Handler + B HardFault_Handler + + + PUBWEAK SVC_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +SVC_Handler + B SVC_Handler + + + PUBWEAK PendSV_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +PendSV_Handler + B PendSV_Handler + + + PUBWEAK SysTick_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +SysTick_Handler + B SysTick_Handler + + + PUBWEAK WWDG_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +WWDG_IRQHandler + B WWDG_IRQHandler + + + PUBWEAK PVD_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +PVD_IRQHandler + B PVD_IRQHandler + + + PUBWEAK RTC_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +RTC_IRQHandler + B RTC_IRQHandler + + + PUBWEAK FLASH_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +FLASH_IRQHandler + B FLASH_IRQHandler + + + PUBWEAK RCC_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +RCC_IRQHandler + B RCC_IRQHandler + + + PUBWEAK EXTI0_1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +EXTI0_1_IRQHandler + B EXTI0_1_IRQHandler + + + PUBWEAK EXTI2_3_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +EXTI2_3_IRQHandler + B EXTI2_3_IRQHandler + + + PUBWEAK EXTI4_15_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +EXTI4_15_IRQHandler + B EXTI4_15_IRQHandler + + + PUBWEAK DMA1_Channel1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +DMA1_Channel1_IRQHandler + B DMA1_Channel1_IRQHandler + + + PUBWEAK DMA1_Channel2_3_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +DMA1_Channel2_3_IRQHandler + B DMA1_Channel2_3_IRQHandler + + + PUBWEAK DMA1_Channel4_5_6_7_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +DMA1_Channel4_5_6_7_IRQHandler + B DMA1_Channel4_5_6_7_IRQHandler + + + PUBWEAK ADC1_COMP_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +ADC1_COMP_IRQHandler + B ADC1_COMP_IRQHandler + + + PUBWEAK LPTIM1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +LPTIM1_IRQHandler + B LPTIM1_IRQHandler + + + PUBWEAK USART4_5_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +USART4_5_IRQHandler + B USART4_5_IRQHandler + + + PUBWEAK TIM2_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM2_IRQHandler + B TIM2_IRQHandler + + + PUBWEAK TIM3_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM3_IRQHandler + B TIM3_IRQHandler + + + PUBWEAK TIM6_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM6_IRQHandler + B TIM6_IRQHandler + + PUBWEAK TIM7_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM7_IRQHandler + B TIM7_IRQHandler + + PUBWEAK TIM21_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM21_IRQHandler + B TIM21_IRQHandler + + PUBWEAK I2C3_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +I2C3_IRQHandler + B I2C3_IRQHandler + + PUBWEAK TIM22_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM22_IRQHandler + B TIM22_IRQHandler + + + PUBWEAK I2C1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +I2C1_IRQHandler + B I2C1_IRQHandler + + + PUBWEAK I2C2_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +I2C2_IRQHandler + B I2C2_IRQHandler + + + PUBWEAK SPI1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +SPI1_IRQHandler + B SPI1_IRQHandler + + + PUBWEAK SPI2_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +SPI2_IRQHandler + B SPI2_IRQHandler + + + PUBWEAK USART1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +USART1_IRQHandler + B USART1_IRQHandler + + + PUBWEAK USART2_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +USART2_IRQHandler + B USART2_IRQHandler + + + PUBWEAK LPUART1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +LPUART1_IRQHandler + B LPUART1_IRQHandler + + END +;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_IAR/stm32l071xb.icf b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_IAR/stm32l071xb.icf new file mode 100644 index 0000000..3d0f052 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/TOOLCHAIN_IAR/stm32l071xb.icf @@ -0,0 +1,59 @@ +/* Linker script to configure memory regions. + * + * SPDX-License-Identifier: BSD-3-Clause + ****************************************************************************** + * @attention + * + * Copyright (c) 2016-2020 STMicroelectronics. + * All rights reserved. + * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** +*/ +/* Device specific values */ + +/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */ + +define symbol VECTORS = 46; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */ +define symbol HEAP_SIZE = 0x1000; + +/* Common - Do not change */ + +if (!isdefinedsymbol(MBED_APP_START)) { + define symbol MBED_APP_START = MBED_ROM_START; +} + +if (!isdefinedsymbol(MBED_APP_SIZE)) { + define symbol MBED_APP_SIZE = MBED_ROM_SIZE; +} + +if (!isdefinedsymbol(MBED_CONF_TARGET_BOOT_STACK_SIZE)) { + /* This value is normally defined by the tools + to 0x1000 for bare metal and 0x400 for RTOS */ + define symbol MBED_CONF_TARGET_BOOT_STACK_SIZE = 0x400; +} + +/* Round up VECTORS_SIZE to 8 bytes */ +define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7; +define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE; +define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE; + +define memory mem with size = 4G; +define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE]; +define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE]; + +define block CSTACK with alignment = 8, size = MBED_CONF_TARGET_BOOT_STACK_SIZE { }; +define block HEAP with alignment = 8, size = HEAP_SIZE { }; + +initialize by copy { readwrite }; +do not initialize { section .noinit }; + +place at address mem: MBED_APP_START { readonly section .intvec }; + +place in ROM_region { readonly }; +place in RAM_region { readwrite, + block CSTACK, block HEAP }; diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/cmsis_nvic.h b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/cmsis_nvic.h new file mode 100644 index 0000000..2450509 --- /dev/null +++ b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L071xB/cmsis_nvic.h @@ -0,0 +1,39 @@ +/* mbed Microcontroller Library + * SPDX-License-Identifier: BSD-3-Clause + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2016-2020 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** +*/ + +#ifndef MBED_CMSIS_NVIC_H +#define MBED_CMSIS_NVIC_H + +#if !defined(MBED_ROM_START) +#define MBED_ROM_START 0x8000000 +#endif + +#if !defined(MBED_ROM_SIZE) +#define MBED_ROM_SIZE 0x20000 // 128 KB +#endif + +#if !defined(MBED_RAM_START) +#define MBED_RAM_START 0x20000000 +#endif + +#if !defined(MBED_RAM_SIZE) +#define MBED_RAM_SIZE 0x5000 // 20 KB +#endif + +#define NVIC_NUM_VECTORS 46 +#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START + +#endif diff --git a/targets/targets.json b/targets/targets.json index 67fa35b..c09b2dc 100644 --- a/targets/targets.json +++ b/targets/targets.json @@ -3679,6 +3679,18 @@ "TRNG" ] }, + "MCU_STM32L071xB": { + "inherits": [ + "MCU_STM32L0" + ], + "public": false, + "extra_labels_add": [ + "STM32L071xB" + ], + "macros_add": [ + "STM32L071xx" + ] + }, "MCU_STM32L071xZ": { "inherits": [ "MCU_STM32L0"